Secondaire 5 • 2a
Why is this 70 cm with sig figs? I thought it was supposed to be 73 cm... can someone help explain?
Why is this 70 cm with sig figs? I thought it was supposed to be 73 cm... can someone help explain?
Explication d'Alloprof
Cette explication a été donnée par un membre de l'équipe d'Alloprof.
Hi !
First, there is a link that I suggest you visit for the theory about significant figures :
So let us put them in meters first. You will then have the operation as follow :
$$ 7,5m-6,774m=0,726m=0,7m $$
You can see now that the answer must have only one significant figure.
If you have any other questions, feel free to ask them !
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